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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
Income Tax Disclosure        
Provision (benefit) for income taxes $ 45 $ 66 $ 94 $ 121
Effective income tax rate 17.30% 17.60% 15.00% 15.60%
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority   $ 12   $ 12